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Farhan Hasin

@farhanhasin

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I build scalable full-stack SaaS platforms, optimizing high-volume systems across JavaScript and Python.

Bangladesh

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What I'm looking for

I'm looking for a role where I can solve real-world problems at scale, build end-to-end UX-focused products, and take ownership of reliable, high-performance systems.

I've built scalable SaaS, ERP, and distribution platforms across Manush AI Platform, Read Global Consultants, Ask Turing AI, and REPLIQ Limited. At Manush AI, I optimized services handling 6M+ rows, built Redis caching and materialized views, and architected a 12-layer Distribution Network for filter-driven workflows.

I've led frontend engineering for enterprise SaaS products, mentored engineers, and delivered systems serving millions of users, including retailer distribution platforms for BAT Bangladesh. I work across React, Next.js, Node.js, FastAPI, PostgreSQL, and Python to build responsive product experiences and reliable backend services.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer L2

Current

Manush AI Platform

Aug 2024 - Present (2 years 1 month)

Built a performant virtualized Transfer List component and architected a reusable 12-layer chained Distribution Network system. Optimized backend services handling 6M+ rows and implemented server-side Redis caching and MaterializedViews.

React TypeScript NodeJS Redis PostgreSQL Microservices Micro Frontends Python Docker CI CD

Product Engineer

Read Global Consultants

Jan 2024 - Aug 2024 (7 months)

Adopted Next.js App Router (v14) server components and server actions to reduce JavaScript hydration overhead. Built dynamic route-based layouts and established consistent server action patterns for mutations.

Next.js React TypeScript NodeJS PostgreSQL REST APIs Server Actions

Software Engineer

Ask Turing AI

Jan 2024 - Aug 2024 (7 months)

Architected full-stack features using Next.js v15 and FastAPI, and built a GraphQL API layer over core backend services. Applied SSG, SSR, ISR, and Partial Prerendering per route based on data freshness and performance requirements.

Next.js fastAPI GraphQL Knex.Js Objection.Js Python TypeScript PostgreSQL

Frontend Engineer

REPLIQ Limited

Feb 2022 - Dec 2023 (1 year 10 months)

Designed and engineered a custom component library following a structured design system. Led frontend engineering across four enterprise-grade SaaS platforms and mentored a team of three interns.

React TypeScript Next.js Redux Tailwind Mantine UI Component Libraries Design Systems Performance Optimization

Frontend Developer

Snap Media Crew

Mar 2019 - Jan 2022 (2 years 10 months)

Used ReactJS/NextJS and Bootstrap/TailwindCSS to build complex layouts, features, and functionalities of web applications. Maintained clean approaches to forms and validations using React Hook Form and yup.

React Next.js Bootstrap Tailwind React Hook Form Yup REST APIs JavaScript

Education

Degrees, certifications, and relevant coursework

BRAC University

Bachelor of Science, Computer Science and Engineering

2018 - 2022

Grade: 3.59

Bachelor of Science in Computer Science and Engineering from BRAC University, completed from January 2018 to May 2022 with a CGPA of 3.59 on a 4.00 scale.